112 SPARC Enterprise T5120 and T5220 Servers Service Manual • July 2009
Related Information
■“Remove a PCIe or XAUI Card” on page106
■“Install a PCIe or XAUI Card” on page107
■“Remove a PCIe/XAUI Riser” on page 102
■“Install a PCIe/XAUI Riser” on page104
Servicing the Battery
These topics explain how to replace a faulty battery
■“System Battery Overview” on page112
■“Remove a Battery” on page 113
■“Install a Battery” on page 114

System Battery Overview

The battery maintains system time when the server is powered off and a time server
is unavailable. If the server fails to maintain the proper time when it is powered off
and not connected to a network, replace the battery.
The following figure shows the battery location on the SPARCEnterprise T5120. The
SPARCEnterprise T5220 is in a similar location.